(22153) Kathbarnhart Main-belt Asteroid
Discovered on 21 November 2000 by LINEAR at Socorro.
Kathy Barnhart mentored a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Bishop Flaget School, Chillicothe, Ohio.Naming citation (20051019/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kathbarnhart is today
Seen from above the solar system on 2026-10-14: Kathbarnhart is 2.56 au from the Sun and 3.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22153 |
| Provisional designation | 2000 WT58 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.14 km (#16,867 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.243 |
| Absolute magnitude (H) | 15.2 |
| Orbital period | 4.03 years |
| Semi-major axis | 2.53 au |
| Perihelion – aphelion | 2.25 – 2.81 au |
| Eccentricity | 0.111 |
| Inclination | 1.65° |
| Closest distance between its orbit and Earth's (MOID) | 1.26 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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